pound sign

from The American Heritage® Dictionary of the English Language, 4th Edition

• n. The symbol (£) for a unit of currency, especially the pound sterling.
• n. The symbol (#) for a pound as a unit of weight.

from Wiktionary, Creative Commons Attribution/Share-Alike License

• n. The symbol £ representing the pound sterling.
• n. The symbol # on a telephone.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• n. a symbol for a unit of currency (especially for the pound sterling in Great Britain)